$1000-$1500  

Doug Thorley Long Tube Tri-Y Headers

These Doug Thorley Long Tube Tri-Y Header kits make huge increases in power output of your truck/car. Like all other Doug thorley header products, these Long Tube Tri-Y headers are built using industry leading 14-gauge tubing with 3/8" thick flanges for maximum durability. These kits comes with complete performance pipes and/or adapters. Install these long tube headers today and feel your vehicle's true power potential! Doug Thorley Long Tube Tri-Y Headers for Chevy/GMC, Dodge, Ford, Hummer, Jeep, Nissan, and Toyota are proudly made in the USA and backed by lifetime warranty.

SeriesStyleColor/FinishMaterial
Tri-Y4:2:1 Long TubeSilver CeramicSteel
Header Flange (in)Primary Tube Dia.Tube GaugeCARB Comp.
0.3751.62514 GaugeYes: D-540-5
Bolts/Studs Incl.Collector Incl.Reducers Incl.Attachment
YesYesYes3 Bolt Flange
Notes
  • Four ½" fittings per header.
  • Will not fit torsion bar front suspension
  • Automatic transmission only
  • Fit with straight or angle plug heads
  • Will not seal properly on D-port cylinder heads
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Features
  • Long Tube Tri-Y Design
  • Easy Installation
  • Durable Ceramic Coating
  • 14 Gauge Tubing
  • Limited Lifetime Warranty
  • Made in the U.S.A.